.mainHead {
  width: 100%;
  height: 67px;
  background-color: white;
  overflow: hidden;
  display: flex;
  padding:0 51px;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  position: absolute;
  top: 0;
  z-index: 999;
  min-width: 1200px;
}

.lessoninfo-colorBar{
  position: absolute;
  top: 67px;
  width: 100%;
  height: 5px;
  display: flex;
  z-index: 88;
  min-width: 1200px;
}
.classbar-item{
  width: 5%;
  height: 5px;
}
/*'#', '#2D8DEE', '#00DE2E', '#FFBF00', '#F38100', '#F74E1B'*/
.classbar-item:nth-child(5n) {
  background-color: #F38100;
  /*border: 1px solid #ffe873;*/
}
.classbar-item:nth-child(5n-1) {
  background-color: #FFBF00;
  /*border: 1px solid #9ee4ff;*/
}

.classbar-item:nth-child(5n-2) {
  background-color: #00DE2E;
  /*border: 1px solid #ffbfbf;*/
}

.classbar-item:nth-child(5n-3) {
  background-color: #2D8DEE;
  /*border: 1px solid #c6fcd4;*/
}


.classbar-item:nth-child(5n-4) {
  background-color: #881894;
  /*border: 1px solid #fcc6ff;*/
}


.header-left{
  /*width: 300px;*/
  display: flex;
  align-items: center;
  justify-content: left;
}
.pageTitle {
  font-size: 20px;
  height: 67px;
  padding-right: 20px;
  color: #333333;
}
.pageBack {
  width: 84px;
  height: 32px;
}

.mainBody {
  min-width: 1200px;
  position: relative;
  width: 100%;
  height: 900px;
  background-color: #eaeef3;
  padding: 88px 15px 15px 15px;
  box-sizing: border-box;
}

.container {
  width: 100%;
  height: 804px;
  background-color: #ffffff;
  position: relative;
}

.bodyLeft {
  position: relative;
  width: 972px;
  height: 711px;
  float: left;
  background-color: white;
}

.leftTitle {
  position: relative;
  top: 11px;
  width: 970px;
  height: 68px;
  background-color: white;
}

.leftIconOne {
  position: relative;
  float: left;
  left: 35px;
  top: 15px;
  width: 85px;
  height: 35px;
  text-align: center;
  font-size: 14px;
  color: white;
  border: 1px solid transparent;
  outline: none;
  background-color: #ffa245;
  display: flex;
}

.leftIconOne,
.leftIconTwo,
.leftIconThree{
  justify-content: center;
  border:1px solid #f4be55;
  border-radius: 3px;

}
.leftIconThree img,
.leftIconOne img{
  margin-right: 3px;
  width: 18px;
  height: 18px;
}
.leftIconTwo img{
  margin-left: 3px;
  width: 18px;
  height: 18px;
}
.leftIconTwo {
  display: flex;
  position: absolute;
  top: 16px;
  left: 129px;
  width: 85px;
  height: 35px;
  text-align: center;
  font-size: 14px;
  color: white;
  border: 1px solid transparent;
  outline: none;
  background-color: #ffa245;
}

.leftIconThree {
  display: flex;
  position: relative;
  float: right;
  width: 103px;
  height: 33px;
  top: 19px;
  font-size: 14px;
  color: #ffa245;
  align-items: center;
}

.visualScreen {
  position: absolute;
  /*margin-top: 17.7px;*/
  left: 36px;
  width: 936px;
  height: 503px;
  background-color: white;
  border: 1px solid #efefef;
  box-sizing: border-box;
  overflow:hidden;
}

.bodyCenter {
  position: relative;
  width: 543px;
  height: 675px ;
  float: left;
  /*padding-left: 28px;*/
  /*padding-top: 15px;;*/
  padding-left: 10px;
  /*margin-top: 24px;*/
  box-sizing: border-box;
  overflow: auto;
}
.main-title-container{
  height: 93px;
  padding-bottom: 16px;
  box-sizing: border-box;
  display: flex;

}

.bodyCenterTop {

  width: 602px;
  height: 78px ;
  /*float: left;*/
  display: flex;
  padding: 0 28px 0 31px;
  /*margin-top: 15px;*/
  /*margin-bottom: 10.5px;*/
  box-sizing: border-box;
  align-items: flex-end;
}


.action-top{
  color: #333333;
  font-size: 16px;
  width: 98px;
  height: 66px;
  /*margin: auto;*/
  float: right;
  position: relative;
  visibility: hidden;
}
.action-top img{
  width: 98px;
  height: 66px;
  position: absolute;
}
.action-top span{
  position: absolute;
  top: 33px;
  left: 8px;
  font-size: 14px;
  color: #333333;
}


.action-code{
  color: #888888;
  font-size: 12px;
  flex-grow: 1;
  text-align: left;
  display: flex;
  align-items: center;

}
.action-code img{
  float: left;
  width: 54px;
  height: 54px;
  padding: 2px;
  border: solid 1px #a6c738;

}
.action-code span{
  width: 130px;
  height: 54px;
  float: left;
  padding-left: 10px;
  line-height: 1.33;
}



.main {
  font-size: 16px;
  width: 100%;
  height: 100%;
  background-color: #E9EDF3;
  ;
}



.el-carousel__item h3 {
  color: #475669;
  font-size: 14px;
  opacity: 0.75;
  line-height: 100px;
  margin: 0;
}



.material {
  position: absolute;
  top: 527px;
  left: 36px;
  width: 890px;
  height: 118px;
}
.swiper-prev, .swiper-next {
  width: 37px;
  height: 118px;
  position: absolute;
  top: 0;
  background: #eaeef3;
  z-index: 800;
  text-align: center;
  line-height: 118px;
}
.swiper-prev  img{
  transform: rotate(180deg);
}
.swiper-prev  img, .swiper-next img{
  width: 15px;
  /*height: 37px;*/

}


.swiper-next {
  right: -40px;
}

.swiper-prev {
  left: 0;
}
.material-item{
  width: 154px;
  height: 188px;
  /*background: black;*/
  position: relative;
}

.material-item img,
.material-item video,
.material-item .pdf-style,
.material-item .material-item-video-container
{
  width: 100%;
  height: 118px;
}
.pdf-style{
  display: inline-block;
  overflow: hidden;
  /*width: 25%;*/
}
.material-item-name{
  position: absolute;
  padding-top: 10px;
  font-size: 15px;
  line-height: 20px;
  text-align: center;
  word-break: break-all;
}

.material-image-container{
  width: 936px;
  height: 503px;
  overflow: hidden;
  text-align: center;
}
.material-image-container img{
  height: 100%;
  display: inline-block;

}
.card{
  padding: 1px 25px;
  box-sizing: border-box;

  margin-bottom: 12px;
}
.card:nth-child(5n) {
  background-color: #fffbe7;
  border: 1px solid #ffe873;
}
.card:nth-child(5n-1) {
  background-color: #e4f8ff;
  border: 1px solid #9ee4ff;
}

.card:nth-child(5n-2) {
  background-color: #ffefef;
  border: 1px solid #ffbfbf;
}

.card:nth-child(5n-3) {
  background-color: #ecfff1;
  border: 1px solid #c6fcd4;
}


.card:nth-child(5n-4) {
  background-color: #fef5ff;
  border: 1px solid #fcc6ff;
}

.swiper-container{
  left: 39px;
  overflow: hidden;
}
.picture{
  height: 100% ;
  margin: auto;
  display: inherit;
}

.videoBox{
  width: 936px;
  height: 503px;
  position: relative;
}
.videoBox .audido-img{
  height: 100%;
  margin: auto;
  display: inherit;
}
.videoBox .audioClassBG{
  position: absolute;
  bottom: 0;
  height: 80px;
  /*left: 45%;*/
}

.pdf-container{
  width: 936px;
  height: 503px;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
}



.markdown{
  width: 95%;
  text-align:left !important;
  padding-left: 5%;
}

.js-markdown-container img{
  width: 100%;
}



.markdown img{
  height: auto;
  width: 100%;
}
.markdown h1{
  /*font-weight: bold;*/
  color: #f09038;
}

.fullScreen{
  position: fixed;
  width: 100%;
  height: 100%;
  background: black;
  left: 0;
  top: 0 ;
  z-index: 999;
}
.fullScreenButton{
  position: absolute;
  bottom: 0;
  right: 0;
  /*width: 50px;*/
  /*height: 50px;*/
  z-index: 9999;
  padding: auto 10px;
}

.el-carousel{
  height: 100%;
}
.el-carousel__container{
  height: 100% !important;
}
.el-carousel__indicators{
  display: none !important;
}
 .videoBox,
.playWindow,
.imageLoop,
.material-image-container,
.pdf-container{
  height: 100%;
  width: 100%;
}


.visualScreen-container{
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;

}
/*.markdown h2{*/
/*margin: 50px 0;*/
/*position: relative;*/
/*color:white ;*/
/*text-align: center;*/
/*line-height: 32px;*/
/*margin-left: 45%;*/
/*display:inline-block;*/
/*padding: 0 10px;*/
/*background:  #f09038;*/
/*border-radius: 15px;*/
/*}*/
/*.markdown h2:before{*/
/*position: absolute;*/
/*content: "";*/
/*top: -5px;*/
/*left: -25px;*/
/*height: 100px;*/
/*width: 20px;*/
/*background-image: url('../../static/image/markdownTop.png');*/
/*background-repeat:no-repeat;*/
/*}*/
/*.markdown h2:after{*/
/*position: absolute;*/
/*content: "";*/
/*top: -5px;*/
/*right: -30px;*/
/*height: 100px;*/
/*width: 20px;*/
/*background-image: url('../../static/image/markdownBottom.png');*/
/*background-repeat:no-repeat;*/
/*}*/
/*.markdown h3{*/
/*position: relative;*/
/*margin: 40px 0;*/
/*margin-left: 10px;*/
/*color: #f09038;*/
/*}*/
/*.markdown h3:before{*/
/*position: absolute;*/
/*content: "";*/
/*height: 25px;*/
/*width: 5px;*/
/*left: -10px;*/
/*background : #f09038;*/
/*}*/





